Senior Airman Kourtnei Walker, 307th Medical Squadron medical technician, takes Thai Nguyen’s temperature at Barksdale Air Force Base, Louisiana, March 24, 2020. Nguyen, who was leaving for basic training, also answered questions about any recent travels and contacts as part of an enhanced screening process designed stop the spread of COVID-19. (U.S. Air Force photo by Master Sgt. Ted Daigle)